def test_rbf_pop_exception_msg(self):
"""rotating bloom filter error: check the resulting error message"""
blm = RotatingBloomFilter(est_elements=10, false_positive_rate=0.05, max_queue_size=5)
try:
blm.pop()
except RotatingBloomFilterError as ex:
msg = "Popping a Bloom Filter will result in an unusable system!"
self.assertEqual(str(ex), msg)
except:
self.assertEqual(True, False)
def test_rbf_pop_exception_msg(self):
''' rotating bloom filter error: check the resulting error message '''
blm = RotatingBloomFilter(est_elements=10, false_positive_rate=0.05,
max_queue_size=5)
try:
blm.pop()
except RotatingBloomFilterError as ex:
msg = "Popping a Bloom Filter will result in an unusable system!"
self.assertEqual(str(ex), msg)
except:
self.assertEqual(True, False)
def test_rbf_push_pop(self):
"""test forcing push and pop"""
blm = RotatingBloomFilter(est_elements=10, false_positive_rate=0.05, max_queue_size=5)
self.assertEqual(blm.current_queue_size, 1)
blm.add("test")
blm.push()
self.assertEqual(blm.current_queue_size, 2)
self.assertEqual("test" in blm, True)
blm.push()
self.assertEqual(blm.current_queue_size, 3)
self.assertEqual("test" in blm, True)
blm.push()
self.assertEqual(blm.current_queue_size, 4)
self.assertEqual("test" in blm, True)
blm.push()
self.assertEqual(blm.current_queue_size, 5)
self.assertEqual("test" in blm, True)
blm.push()
self.assertEqual(blm.current_queue_size, 5)
self.assertEqual("test" in blm, False)
# test popping
blm.add("that")
blm.pop()
self.assertEqual(blm.current_queue_size, 4)
self.assertEqual("that" in blm, True)
blm.pop()
self.assertEqual(blm.current_queue_size, 3)
self.assertEqual("that" in blm, True)
blm.pop()
self.assertEqual(blm.current_queue_size, 2)
self.assertEqual("that" in blm, True)
blm.pop()
self.assertEqual(blm.current_queue_size, 1)
self.assertEqual("that" in blm, True)
def test_rbf_push_pop(self):
blm = RotatingBloomFilter(est_elements=10, false_positive_rate=0.05,
max_queue_size=5)
self.assertEqual(blm.current_queue_size, 1)
blm.add('test')
blm.push()
self.assertEqual(blm.current_queue_size, 2)
self.assertEqual('test' in blm, True)
blm.push()
self.assertEqual(blm.current_queue_size, 3)
self.assertEqual('test' in blm, True)
blm.push()
self.assertEqual(blm.current_queue_size, 4)
self.assertEqual('test' in blm, True)
blm.push()
self.assertEqual(blm.current_queue_size, 5)
self.assertEqual('test' in blm, True)
blm.push()
self.assertEqual(blm.current_queue_size, 5)
self.assertEqual('test' in blm, False)
# test popping
blm.add("that")
blm.pop()
self.assertEqual(blm.current_queue_size, 4)
self.assertEqual('that' in blm, True)
blm.pop()
self.assertEqual(blm.current_queue_size, 3)
self.assertEqual('that' in blm, True)
blm.pop()
self.assertEqual(blm.current_queue_size, 2)
self.assertEqual('that' in blm, True)
blm.pop()
self.assertEqual(blm.current_queue_size, 1)
self.assertEqual('that' in blm, True)
def test_rbf_pop_exception(self):
''' ensure the correct exception is thrown '''
blm = RotatingBloomFilter(est_elements=10,
false_positive_rate=0.05,
max_queue_size=5)
self.assertRaises(RotatingBloomFilterError, lambda: blm.pop())
def test_rbf_pop_exception(self):
''' ensure the correct exception is thrown '''
blm = RotatingBloomFilter(est_elements=10, false_positive_rate=0.05,
max_queue_size=5)
self.assertRaises(RotatingBloomFilterError, lambda: blm.pop())
